win32 drawing shape and StrokeAndFillPath(hDC) please help

sujan.dasmahapatra's Avatar
Go4Expert Member
I am trying to draw a shape or font on dialog and then fill the outline. I have 2 buttons on this 2 buttons I have the following code
Code:
				case IDC_BUTTON1:
					MessageBox(hDlg, L"Start Drawing!!", L"ButtonPressed", MB_OK | MB_ICONEXCLAMATION);
					hDC = GetDC(hDlg);
					brush = CreateSolidBrush(RGB(128, 128, 128));
					SelectObject(hDC, brush);
					hpen = CreatePen(PS_SOLID, 1, RGB(128, 0, 128));
					SelectObject(hDC, hpen);
					BeginPath(hDC);
				break;
				case IDC_BUTTON2:
					MessageBox(hDlg, L"End Drawing!!", L"ButtonPressed", MB_OK | MB_ICONEXCLAMATION);
					EndPath(hDC);
					StrokeAndFillPath(hDC);
					DeleteObject(brush);
					ReleaseDC(hDlg, hDC);
				break;
Then in the drawing part I have the following.
Code:
		case WM_LBUTTONUP:
		if (IsDlgButtonChecked(hDlg, IDC_RADIO1) == BST_CHECKED )
		{
		

		EndX = LOWORD(lParam);
		EndY = HIWORD(lParam);

		SetROP2(hDC, R2_XORPEN);
		
		MoveToEx(hDC, StartX, StartY, NULL);
		LineTo(hDC, EndX, EndY);

		IsDrawing = FALSE;
		}
When I remove the BeginPath() and EndPath() functions my lines are being drawn. But when I insert this BeginPath() and EndPath() and StrokeAndFillPath(hDC); the nothing is being drawn.

Why it is not doing as per the expectations. I want to draw a shape for example A with a outline. And i want it to be closed when drawing is ended and filled the hollow portion.

What am I doing wrong in this ? Please help. I am not implementing it in WM_PAINT but drawing is done in WM_LBUTTONUP. Please help. Thanks a lot in advance
shabbir's Avatar, Join Date: Jul 2004
Go4Expert Founder
If you try to draw things in WM_LBUTTONUP and if you move your window using mouse, it will all be gone and so it should be redrawn in WM_PAINT.

You have to be using WM_PAINT if you want to draw anything in an application.
sujan.dasmahapatra's Avatar
Go4Expert Member
Thanks for the info friend Let me try this . Thanks Sujan
shabbir's Avatar, Join Date: Jul 2004
Go4Expert Founder
The pleasure is all mine.