本文整理汇总了C++中TDC::set_hdc方法的典型用法代码示例。如果您正苦于以下问题：C++ TDC::set_hdc方法的具体用法？C++ TDC::set_hdc怎么用？C++ TDC::set_hdc使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TDC的用法示例。
在下文中一共展示了TDC::set_hdc方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: WndProc
WNDFN WndProc (HWND hwnd, UINT msg, UINT wParam,LONG lParam)
//----------------------------------------------------------------------------
{
// static SWin w;
static BOOL dragging = FALSE;
static long MouseTime = 0;
static UINT size_flags;
LPMINMAXINFO pSizeInfo;
long ret;
TEventWindow *This = (TEventWindow *) GetWindowLong(hwnd,0);
switch (msg)
{
case WM_CREATE:
{
LPCREATESTRUCT lpCreat = (LPCREATESTRUCT) lParam;
PVOID *lpUser;
lpUser = (PVOID *)lpCreat->lpCreateParams;
//..... 'This' pointer passed as first word of creation parms
SetWindowLong(hwnd,0,(long)lpUser[0]);
This = (TEventWindow *)lpUser[0];
This->get_dc()->set_twin(This);
}
return 0;
case WM_SIZE:
This->size(LOWORD(lParam),HIWORD(lParam));
return 0;
case WM_MOVE:
This->on_move();
return 0;
case WM_GETMINMAXINFO:
if (This && This->cant_resize()) {
pSizeInfo = (LPMINMAXINFO) lParam;
pSizeInfo->ptMaxTrackSize = This->fixed_size();
pSizeInfo->ptMinTrackSize = This->fixed_size();
}
return 0;
//
case WM_COMMAND:
if (This->m_dispatcher) {
This->m_dispatcher->dispatch(LOW_WORD(wParam),HIWORD(wParam),(Handle)lParam);
return 0;
}
if (This->command(LOW_WORD(wParam))) return 0;
else break;
case WM_USER_PLUS:
return This->handle_user(wParam,lParam);
case WM_KEYDOWN:
This->keydown(wParam);
return 0;
case WM_CHAR:
This->on_char(wParam,LOWORD(lParam)); // 1
return 0;
case WM_HSCROLL:
if (This->m_dispatcher) {
int id = GetWindowLong((HWND)lParam,GWL_ID);
This->m_dispatcher->dispatch(id,LOWORD(wParam),(Handle)lParam);
}
return 0;
case WM_VSCROLL:
This->vscroll(wParam,This->scroll_bar()->get_pos());
return 0;
case WM_PAINT:
{
PAINTSTRUCT ps;
TDC *dc = This->get_dc();
dc->set_hdc(BeginPaint(hwnd,&ps));
This->paint(*dc);
dc->set_hdc(NULL);
EndPaint(hwnd,&ps);
}
return 0;
// Mouse messages....
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
case WM_LBUTTONDBLCLK:
{
Point pt(LOWORD(lParam),HIWORD(lParam));
//pt.to_logical(*This);
switch (msg) {
case WM_LBUTTONDOWN:
This->mouse_down(pt);
break;
case WM_LBUTTONUP:
This->mouse_up(pt);
break;
//.........这里部分代码省略.........