GSerg писал(а):Graphics каждый раз надо заново создавать.
#define UNICODE
#include <windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
VOID OnPaint(HDC hdc)
{
Graphics graphics(hdc);
Pen pen(Color(255, 0, 0, 255));
graphics.DrawLine(&pen, 0, 0, 200, 100);
}
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, PSTR, INT iCmdShow)
{
HWND hWnd;
MSG msg;
WNDCLASS wndClass;
GdiplusStartupInput gdiplusStartupInput;
ULONG_PTR gdiplusToken;
// Initialize GDI+.
GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
wndClass.style = CS_HREDRAW | CS_VREDRAW;
wndClass.lpfnWndProc = WndProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = 0;
wndClass.hInstance = hInstance;
wndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
wndClass.lpszMenuName = NULL;
wndClass.lpszClassName = TEXT("GettingStarted");
RegisterClass(&wndClass);
hWnd = CreateWindow(
TEXT("GettingStarted"), // window class name
TEXT("Getting Started"), // window caption
WS_OVERLAPPEDWINDOW, // window style
CW_USEDEFAULT, // initial x position
CW_USEDEFAULT, // initial y position
CW_USEDEFAULT, // initial x size
CW_USEDEFAULT, // initial y size
NULL, // parent window handle
NULL, // window menu handle
hInstance, // program instance handle
NULL); // creation parameters
ShowWindow(hWnd, iCmdShow);
UpdateWindow(hWnd);
while(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
GdiplusShutdown(gdiplusToken);
return msg.wParam;
} // WinMain
LRESULT CALLBACK WndProc(HWND hWnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
switch(message)
{
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
OnPaint(hdc);
EndPaint(hWnd, &ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
} // WndProc
Dim graph As Long
Dim tok As Long
Dim hPenRed As Long
Dim p As GdiplusStartupInput
Private Sub Form_Load()
p.GdiplusVersion = 1
ret = GdiplusStartup(tok, p, ByVal 0&)
End Sub
Private Sub Form_Paint()
ret = GdipCreateFromHDC(hdc, graph)
ret = GdipCreatePen1(vbRed, 5, UnitPixel, hPenRed)
ret = GdipDrawLine(graph, hPenRed, 0, 0, 200, 100)
End Sub
Private Sub Form_Unload(Cancel As Integer)
ret = GdipDeleteGraphics(graph)
ret = GdipDeletePen(hPenRed)
GdiplusShutdown tok
End Sub
Private Sub Form_Paint()
CreateGraphics(hDC).DrawLine CreatePen(ARGB(vbRed), 5), 0, 0, 200, 100
End Sub
Dim graph As Long, tok As Long, hPenRed As Long
Dim p As GdiplusStartupInput
Private Sub Form_Load()
p.GdiplusVersion = 1
ret = GdiplusStartup(tok, p, ByVal 0&)
ret = GdipCreatePen1(&HFF000000 Or vbRed, 5, UnitPixel, hPenRed)
ret = GdipCreateFromHDC(hdc, graph)
End Sub
Private Sub Form_Paint()
ret = GdipDrawLine(graph, hPenRed, 0, 0, 200, 100)
End Sub
Private Sub Form_Unload(Cancel As Integer)
ret = GdipDeleteGraphics(graph)
ret = GdipDeletePen(hPenRed)
GdiplusShutdown tok
End Sub
st@s писал(а):tyomitch писал(а):не проще ли будет разобраться с моей обёрткой?
Да нет её там.
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