编程技术- ImGUI 1.87 绘制D3D外部菜单
推荐 原创ImGUI 它是与平台无关的C++轻量级跨平台图形界面库，没有任何第三方依赖，可以将ImGUI的源码直接加到项目中使用，该框架通常会配合特定的D3Dx9等图形开发工具包一起使用，ImGUI常用来实现进程内的菜单功能，而有些辅助开发作者也会使用该框架开发菜单页面，总体来说这是一个很不错的绘图库，如下将公开新版ImGUI如何实现绘制外部菜单的功能。
ImGUI官方下载地址：https://github.com/ocornut/imgui/releases
在使用ImGUI页面之前需要先来实现一个简单的附着功能，即如何将一个窗体附着到另一个窗体之上，其实代码很简单，如下所示当用户输入进程PID时，会自动跟随窗体并附着在窗体顶部。
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#include <Windows.h>
#include <iostream>
struct handle_data
{
unsigned
long
process_id;
HWND best_handle;
};
/
/
By: LyShark
BOOL
IsMainWindow(HWND handle)
{
return
GetWindow(handle, GW_OWNER)
=
=
(HWND)
0
&& IsWindowVisible(handle);
}
BOOL
CALLBACK EnumWindowsCallback(HWND handle, LPARAM lParam)
{
/
/
By: LyShark
handle_data& data
=
*
(handle_data
*
)lParam;
unsigned
long
process_id
=
0
;
GetWindowThreadProcessId(handle, &process_id);
if
(data.process_id !
=
process_id || !IsMainWindow(handle)) {
return
TRUE;
}
data.best_handle
=
handle;
return
FALSE;
}
/
/
By: LyShark
HWND FindMainWindow(unsigned
long
process_id)
{
handle_data data;
data.process_id
=
process_id;
data.best_handle
=
0
;
EnumWindows(EnumWindowsCallback, (LPARAM)&data);
return
data.best_handle;
}
int
main(
int
argc, char
*
argv[])
{
DWORD pid
=
28396
;
std::cout <<
"输入进程PID: "
<< std::endl;
std::cin >> pid;
/
/
获取屏幕宽和高
int
iWidth
=
::GetSystemMetrics(SM_CXSCREEN);
int
iHeight
=
::GetSystemMetrics(SM_CYSCREEN);
/
/
根据PID寻找游戏窗口
HWND hwnd
=
FindMainWindow(pid);
while
(
1
)
{
SetTimer(hwnd,
1
,
150
, NULL);
/
/
实现透明必须设置WS_EX_LAYERED标志
LONG
lWinStyleEx
=
GetWindowLong(hwnd, GWL_EXSTYLE);
lWinStyleEx
=
lWinStyleEx | WS_EX_LAYERED;
SetWindowLong(hwnd, GWL_EXSTYLE, lWinStyleEx);
SetLayeredWindowAttributes(hwnd,
0
, RGB(
40
,
40
,
40
), LWA_ALPHA);
/
/
去掉标题栏及边框
LONG_PTR Style
=
GetWindowLongPtr(hwnd, GWL_STYLE);
Style
=
Style & ~WS_CAPTION & ~WS_SYSMENU & ~WS_SIZEBOX;
SetWindowLongPtr(hwnd, GWL_STYLE, Style);
/
/
至顶层窗口 最大化
SetWindowPos(hwnd, HWND_TOPMOST,
0
,
0
, iWidth, iHeight, SWP_SHOWWINDOW);
/
/
设置窗体可穿透鼠标
SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_TRANSPARENT | WS_EX_LAYERED);
/
/
绘图
HDC hdc
=
::GetDC(hwnd);
HDC mdc
=
::CreateCompatibleDC(hdc);
/
/
创建画笔
HPEN hpen
=
CreatePen(PS_SOLID,
10
, RGB(
0
,
255
,
0
));
/
/
DC 选择画笔
SelectObject(hdc, hpen);
/
/
(画笔)从初始点移动到
50
,
50
MoveToEx(hdc,
100
,
100
, NULL);
/
/
(画笔)从初始点画线到
100
,
100
LineTo(hdc,
1000
,
1000
);
RECT rect
=
{
0
};
rect.bottom
=
10
;
rect.left
=
20
;
rect.right
=
20
;
rect.top
=
15
;
DrawText(hdc, L
"hello lyshark.com"
, strlen(
"hello lyshark.com"
), &rect, DT_CALCRECT | DT_CENTER | DT_SINGLELINE);
}
return
0
;
}
|
绘制效果图：
接着我们使用Imgui绘制一个动态菜单，首先下载imgui并打开项目中的examples目录，找到example_win32_directx9打开后自己配置好dx9SDK开发工具包。
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#include "imgui.h"
#include "imgui_impl_dx9.h"
#include "imgui_impl_win32.h"
#include <d3d9.h>
#include <tchar.h>
#include <iostream>
#pragma execution_character_set("utf-8")
/
/
全局变量
/
/
lyshark.com
static HWND hwnd;
static HWND GameHwnd;
static RECT WindowRectangle;
static
int
WindowWide, WindowHeight;
static LPDIRECT3D9 g_pD3D
=
NULL;
static LPDIRECT3DDEVICE9 g_pd3dDevice
=
NULL;
static D3DPRESENT_PARAMETERS g_d3dpp
=
{};
/
/
单选框设置状态
bool
show_another_window
=
false;
/
/
imgui 回调函数
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
/
/
By: LyShark
bool
CreateDeviceD3D(HWND hWnd)
{
if
((g_pD3D
=
Direct3DCreate9(D3D_SDK_VERSION))
=
=
NULL)
{
return
false;
}
ZeroMemory(&g_d3dpp, sizeof(g_d3dpp));
g_d3dpp.Windowed
=
TRUE;
g_d3dpp.SwapEffect
=
D3DSWAPEFFECT_DISCARD;
g_d3dpp.BackBufferFormat
=
D3DFMT_UNKNOWN;
g_d3dpp.EnableAutoDepthStencil
=
TRUE;
g_d3dpp.AutoDepthStencilFormat
=
D3DFMT_D16;
g_d3dpp.PresentationInterval
=
D3DPRESENT_INTERVAL_ONE;
if
(g_pD3D
-
>CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) <
0
)
{
return
false;
}
return
true;
}
void CleanupDeviceD3D()
{
if
(g_pd3dDevice)
{
g_pd3dDevice
-
>Release();
g_pd3dDevice
=
NULL;
}
if
(g_pD3D)
{
g_pD3D
-
>Release();
g_pD3D
=
NULL;
}
}
void ResetDevice()
{
ImGui_ImplDX9_InvalidateDeviceObjects();
HRESULT hr
=
g_pd3dDevice
-
>Reset(&g_d3dpp);
if
(hr
=
=
D3DERR_INVALIDCALL)
{
IM_ASSERT(
0
);
}
ImGui_ImplDX9_CreateDeviceObjects();
}
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if
(ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
{
return
true;
}
switch (msg)
{
case WM_SIZE:
if
(g_pd3dDevice !
=
NULL && wParam !
=
SIZE_MINIMIZED)
{
g_d3dpp.BackBufferWidth
=
LOWORD(lParam);
g_d3dpp.BackBufferHeight
=
HIWORD(lParam);
ResetDevice();
}
return
0
;
case WM_SYSCOMMAND:
if
((wParam &
0xfff0
)
=
=
SC_KEYMENU)
{
return
0
;
}
break
;
case WM_DESTROY:
PostQuitMessage(
0
);
return
0
;
}
return
DefWindowProc(hWnd, msg, wParam, lParam);
}
/
/
绘制主方法
/
/
www.cnblogs.com
/
lyshark
void DrawImGUI()
{
/
/
启动IMGUI自绘
ImGui_ImplDX9_NewFrame();
ImGui_ImplWin32_NewFrame();
ImGui::NewFrame();
static
float
f
=
0.0f
;
static
int
counter
=
0
;
static char sz[
256
]
=
{
0
};
ImGui::Begin(
"LyShark 辅助GUI主菜单"
);
ImGui::Text(
"这是一段测试字符串"
);
ImGui::Checkbox(
"弹出子窗口"
, &show_another_window);
ImGui::SliderFloat(
"浮点条"
, &f,
0.0f
,
1.0f
);
ImGui::InputText(
"输入内容"
, sz,
256
,
0
,
0
,
0
);
if
(ImGui::Button(
"点我触发"
))
counter
+
+
;
ImGui::SameLine();
ImGui::Text(
"触发次数 = %d"
, counter);
ImGui::Text(
"当前FPS: %.3f ms/frame (%.1f FPS)"
,
1000.0f
/
ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ImGui::End();
if
(show_another_window)
{
ImGui::Begin(
"我是子窗体"
, &show_another_window);
ImGui::Text(
" 您好,LyShark !"
);
if
(ImGui::Button(
"关闭窗体"
))
show_another_window
=
false;
ImGui::End();
}
ImGui::EndFrame();
}
/
/
自身窗口循环事件
void WindowMessageLoop()
{
bool
done
=
false;
while
(!done)
{
/
/
每次都将窗体置顶并跟随游戏窗体移动
GetWindowRect(GameHwnd, &WindowRectangle);
WindowWide
=
(WindowRectangle.right)
-
(WindowRectangle.left);
WindowHeight
=
(WindowRectangle.bottom)
-
(WindowRectangle.top);
DWORD dwStyle
=
GetWindowLong(GameHwnd, GWL_STYLE);
if
(dwStyle & WS_BORDER)
{
WindowRectangle.top
+
=
23
;
WindowHeight
-
=
23
;
}
/
/
跟随窗口移动
MoveWindow(hwnd, WindowRectangle.left
+
8
, WindowRectangle.top
+
8
, WindowWide
-
11
, WindowHeight
-
11
, true);
/
/
开始消息循环
MSG msg;
while
(PeekMessage(&msg, NULL,
0U
,
0U
, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
if
(msg.message
=
=
WM_QUIT)
{
done
=
true;
}
}
if
(done)
{
break
;
}
/
/
开始绘制
DrawImGUI();
g_pd3dDevice
-
>SetRenderState(D3DRS_ZENABLE, FALSE);
g_pd3dDevice
-
>SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
g_pd3dDevice
-
>SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
g_pd3dDevice
-
>Clear(
0
, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
0
,
1.0f
,
0
);
if
(g_pd3dDevice
-
>BeginScene() >
=
0
)
{
ImGui::Render();
ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData());
g_pd3dDevice
-
>EndScene();
}
HRESULT result
=
g_pd3dDevice
-
>Present(NULL, NULL, NULL, NULL);
if
(result
=
=
D3DERR_DEVICELOST && g_pd3dDevice
-
>TestCooperativeLevel()
=
=
D3DERR_DEVICENOTRESET)
{
ResetDevice();
}
}
}
int
main(
int
argc, char
*
argv[])
{
/
/
注册窗体类
WNDCLASSEX wc;
/
/
附加到指定窗体上
wc.cbClsExtra
=
NULL;
wc.cbSize
=
sizeof(WNDCLASSEX);
wc.cbWndExtra
=
NULL;
wc.hbrBackground
=
(HBRUSH)CreateSolidBrush(RGB(
0
,
0
,
0
));
wc.hCursor
=
LoadCursor(
0
, IDC_ARROW);
wc.hIcon
=
LoadIcon(
0
, IDI_APPLICATION);
wc.hIconSm
=
LoadIcon(
0
, IDI_APPLICATION);
wc.hInstance
=
GetModuleHandle(NULL);
wc.lpfnWndProc
=
(WNDPROC)WndProc;
wc.lpszClassName
=
L
" "
;
wc.lpszMenuName
=
L
" "
;
wc.style
=
CS_VREDRAW | CS_HREDRAW;
RegisterClassEx(&wc);
/
/
得到窗口句柄
GameHwnd
=
FindWindowA(NULL,
"Counter-Strike Source"
);
GetWindowRect(GameHwnd, &WindowRectangle);
WindowWide
=
WindowRectangle.right
-
WindowRectangle.left;
WindowHeight
=
WindowRectangle.bottom
-
WindowRectangle.top;
/
/
创建窗体
hwnd
=
CreateWindowEx(WS_EX_TOPMOST | WS_EX_LAYERED | WS_EX_TOOLWINDOW, L
" "
, L
" "
, WS_POPUP,
1
,
1
, WindowWide, WindowHeight,
0
,
0
, wc.hInstance,
0
);
/
/
显示窗口
SetLayeredWindowAttributes(hwnd,
0
, RGB(
0
,
0
,
0
), LWA_ALPHA);
SetLayeredWindowAttributes(hwnd,
0
, RGB(
0
,
0
,
0
), LWA_COLORKEY);
ShowWindow(hwnd, SW_SHOW);
/
/
初始化D3D
if
(!CreateDeviceD3D(hwnd))
{
CleanupDeviceD3D();
UnregisterClass(wc.lpszClassName, wc.hInstance);
return
0
;
}
/
/
更新窗体
UpdateWindow(hwnd);
/
/
初始化ImGUI
ImGui::CreateContext();
ImGuiIO& io
=
ImGui::GetIO(); (void)io;
io.Fonts
-
>AddFontFromFileTTF(
"c:/windows/fonts/simhei.ttf"
,
13.0f
, NULL, io.Fonts
-
>GetGlyphRangesChineseSimplifiedCommon());
ImGui::StyleColorsDark();
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX9_Init(g_pd3dDevice);
/
/
开始执行绘制循环事件
WindowMessageLoop();
ImGui_ImplDX9_Shutdown();
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
CleanupDeviceD3D();
DestroyWindow(hwnd);
UnregisterClass(wc.lpszClassName, wc.hInstance);
return
0
;
}
|
绘制效果如下：
另外，Imgui也支持绘制到整个屏幕上，也可以当作全局GUI界面来使用。
|
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#include "imgui.h"
#include "imgui_impl_dx9.h"
#include "imgui_impl_win32.h"
#include <d3d9.h>
#include <tchar.h>
#include <iostream>
#pragma execution_character_set("utf-8")
/
/
全局变量
static HWND hwnd;
static HWND GameHwnd;
static RECT WindowRectangle;
static
int
WindowWide, WindowHeight;
static LPDIRECT3D9 g_pD3D
=
NULL;
static LPDIRECT3DDEVICE9 g_pd3dDevice
=
NULL;
static D3DPRESENT_PARAMETERS g_d3dpp
=
{};
/
/
单选框设置状态
bool
show_another_window
=
false;
/
/
imgui 回调函数
/
/
By: LyShark
extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
bool
CreateDeviceD3D(HWND hWnd)
{
if
((g_pD3D
=
Direct3DCreate9(D3D_SDK_VERSION))
=
=
NULL)
{
return
false;
}
ZeroMemory(&g_d3dpp, sizeof(g_d3dpp));
g_d3dpp.Windowed
=
TRUE;
g_d3dpp.SwapEffect
=
D3DSWAPEFFECT_DISCARD;
g_d3dpp.BackBufferFormat
=
D3DFMT_UNKNOWN;
g_d3dpp.EnableAutoDepthStencil
=
TRUE;
g_d3dpp.AutoDepthStencilFormat
=
D3DFMT_D16;
g_d3dpp.PresentationInterval
=
D3DPRESENT_INTERVAL_ONE;
if
(g_pD3D
-
>CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &g_d3dpp, &g_pd3dDevice) <
0
)
{
return
false;
}
return
true;
}
void CleanupDeviceD3D()
{
if
(g_pd3dDevice)
{
g_pd3dDevice
-
>Release();
g_pd3dDevice
=
NULL;
}
if
(g_pD3D)
{
g_pD3D
-
>Release();
g_pD3D
=
NULL;
}
}
/
/
https:
/
/
www.cnblogs.com
/
lyshark
void ResetDevice()
{
ImGui_ImplDX9_InvalidateDeviceObjects();
HRESULT hr
=
g_pd3dDevice
-
>Reset(&g_d3dpp);
if
(hr
=
=
D3DERR_INVALIDCALL)
{
IM_ASSERT(
0
);
}
ImGui_ImplDX9_CreateDeviceObjects();
}
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if
(ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam))
{
return
true;
}
switch (msg)
{
case WM_SIZE:
if
(g_pd3dDevice !
=
NULL && wParam !
=
SIZE_MINIMIZED)
{
g_d3dpp.BackBufferWidth
=
LOWORD(lParam);
g_d3dpp.BackBufferHeight
=
HIWORD(lParam);
ResetDevice();
}
return
0
;
case WM_SYSCOMMAND:
if
((wParam &
0xfff0
)
=
=
SC_KEYMENU)
{
return
0
;
}
break
;
case WM_DESTROY:
PostQuitMessage(
0
);
return
0
;
}
return
DefWindowProc(hWnd, msg, wParam, lParam);
}
/
/
绘制主方法
/
/
lyshark.com
void DrawImGUI()
{
/
/
启动IMGUI自绘
ImGui_ImplDX9_NewFrame();
ImGui_ImplWin32_NewFrame();
ImGui::NewFrame();
static
float
f
=
0.0f
;
static
int
counter
=
0
;
static char sz[
256
]
=
{
0
};
ImGui::Begin(
"LyShark 辅助GUI主菜单"
);
ImGui::Text(
"这是一段测试字符串"
);
ImGui::Checkbox(
"弹出子窗口"
, &show_another_window);
ImGui::SliderFloat(
"浮点条"
, &f,
0.0f
,
1.0f
);
ImGui::InputText(
"输入内容"
, sz,
256
,
0
,
0
,
0
);
if
(ImGui::Button(
"点我触发"
))
counter
+
+
;
ImGui::SameLine();
ImGui::Text(
"触发次数 = %d"
, counter);
ImGui::Text(
"当前FPS: %.3f ms/frame (%.1f FPS)"
,
1000.0f
/
ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ImGui::End();
if
(show_another_window)
{
ImGui::Begin(
"我是子窗体"
, &show_another_window);
ImGui::Text(
" 您好,LyShark !"
);
if
(ImGui::Button(
"关闭窗体"
))
show_another_window
=
false;
ImGui::End();
}
ImGui::EndFrame();
}
/
/
自身窗口循环事件
void WindowMessageLoop()
{
bool
done
=
false;
while
(!done)
{
/
/
每次都将窗体置顶并跟随游戏窗体移动
GetWindowRect(GameHwnd, &WindowRectangle);
WindowWide
=
(WindowRectangle.right)
-
(WindowRectangle.left);
WindowHeight
=
(WindowRectangle.bottom)
-
(WindowRectangle.top);
DWORD dwStyle
=
GetWindowLong(GameHwnd, GWL_STYLE);
if
(dwStyle & WS_BORDER)
{
WindowRectangle.top
+
=
23
;
WindowHeight
-
=
23
;
}
/
/
跟随窗口移动
MoveWindow(hwnd, WindowRectangle.left
+
8
, WindowRectangle.top
+
8
, WindowWide
-
11
, WindowHeight
-
11
, true);
/
/
开始消息循环
MSG msg;
while
(PeekMessage(&msg, NULL,
0U
,
0U
, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
if
(msg.message
=
=
WM_QUIT)
{
done
=
true;
}
}
if
(done)
{
break
;
}
/
/
开始绘制
DrawImGUI();
g_pd3dDevice
-
>SetRenderState(D3DRS_ZENABLE, FALSE);
g_pd3dDevice
-
>SetRenderState(D3DRS_ALPHABLENDENABLE, FALSE);
g_pd3dDevice
-
>SetRenderState(D3DRS_SCISSORTESTENABLE, FALSE);
g_pd3dDevice
-
>Clear(
0
, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
0
,
1.0f
,
0
);
if
(g_pd3dDevice
-
>BeginScene() >
=
0
)
{
ImGui::Render();
ImGui_ImplDX9_RenderDrawData(ImGui::GetDrawData());
g_pd3dDevice
-
>EndScene();
}
HRESULT result
=
g_pd3dDevice
-
>Present(NULL, NULL, NULL, NULL);
if
(result
=
=
D3DERR_DEVICELOST && g_pd3dDevice
-
>TestCooperativeLevel()
=
=
D3DERR_DEVICENOTRESET)
{
ResetDevice();
}
}
}
int
main(
int
argc, char
*
argv[])
{
/
/
注册窗体类
WNDCLASSEX wc;
/
/
附加到整个屏幕上
wc.cbClsExtra
=
NULL;
wc.cbSize
=
sizeof(WNDCLASSEX);
wc.cbWndExtra
=
NULL;
wc.hbrBackground
=
(HBRUSH)CreateSolidBrush(RGB(
0
,
0
,
0
));
wc.hCursor
=
LoadCursor(
0
, IDC_ARROW);
wc.hIcon
=
LoadIcon(
0
, IDI_APPLICATION);
wc.hIconSm
=
LoadIcon(
0
, IDI_APPLICATION);
wc.hInstance
=
GetModuleHandle(NULL);
wc.lpfnWndProc
=
(WNDPROC)WndProc;
wc.lpszClassName
=
L
" "
;
wc.lpszMenuName
=
L
" "
;
wc.style
=
CS_VREDRAW | CS_HREDRAW;
::RegisterClassEx(&wc);
/
/
屏幕宽度和高度
WindowWide
=
GetSystemMetrics(SM_CXSCREEN);
WindowHeight
=
GetSystemMetrics(SM_CYSCREEN);
/
/
创建窗体
HWND hwnd
=
CreateWindowEx(WS_EX_TOPMOST | WS_EX_LAYERED | WS_EX_TOOLWINDOW, L
" "
, L
" "
, WS_POPUP,
1
,
1
, WindowWide, WindowHeight,
0
,
0
, wc.hInstance,
0
);
/
/
显示窗口
SetLayeredWindowAttributes(hwnd,
0
,
1.0f
, LWA_ALPHA);
SetLayeredWindowAttributes(hwnd,
0
, RGB(
0
,
0
,
0
), LWA_COLORKEY);
ShowWindow(hwnd, SW_SHOW);
/
/
初始化D3D
if
(!CreateDeviceD3D(hwnd))
{
CleanupDeviceD3D();
UnregisterClass(wc.lpszClassName, wc.hInstance);
return
0
;
}
/
/
更新窗体
UpdateWindow(hwnd);
/
/
初始化ImGUI
ImGui::CreateContext();
ImGuiIO& io
=
ImGui::GetIO(); (void)io;
io.Fonts
-
>AddFontFromFileTTF(
"c:/windows/fonts/simhei.ttf"
,
13.0f
, NULL, io.Fonts
-
>GetGlyphRangesChineseSimplifiedCommon());
ImGui::StyleColorsDark();
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX9_Init(g_pd3dDevice);
/
/
开始执行绘制循环事件
WindowMessageLoop();
ImGui_ImplDX9_Shutdown();
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
CleanupDeviceD3D();
DestroyWindow(hwnd);
UnregisterClass(wc.lpszClassName, wc.hInstance);
return
0
;
}
|
绘制效果如下：
更多【 ImGUI 1.87 绘制D3D外部菜单】相关视频教程：www.yxfzedu.com
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