public static void DrawText(Graphics graphics, string text, Font font, Rectangle rect) { IntPtr hdc = graphics.GetHdc(); IntPtr fontHandle = font.ToHfont(); IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle); WindowsAPI.SetBkMode(hdc, BackgroundMode.TRANSPARENT); RECT rc = new RECT(); rc.left = rect.Left; rc.top = rect.Top; rc.right = rc.left + rect.Width; rc.bottom = rc.top + rect.Height; WindowsAPI.DrawText(hdc, text, text.Length, ref rc, (int) (DrawTextFormatFlags.DT_SINGLELINE | DrawTextFormatFlags.DT_LEFT | DrawTextFormatFlags.DT_MODIFYSTRING | DrawTextFormatFlags.DT_WORD_ELLIPSIS)); WindowsAPI.SelectObject(hdc, currentFontHandle); WindowsAPI.DeleteObject(fontHandle); graphics.ReleaseHdc(hdc); }
public static Size GetTextSize(Graphics graphics, string text, Font font) { IntPtr hdc = graphics.GetHdc(); IntPtr fontHandle = font.ToHfont(); IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle); RECT rect = new RECT(); rect.left = 0; rect.right = 0; rect.top = 0; rect.bottom = 0; WindowsAPI.DrawText(hdc, text, text.Length, ref rect, (int) (DrawTextFormatFlags.DT_SINGLELINE | DrawTextFormatFlags.DT_LEFT | DrawTextFormatFlags.DT_CALCRECT)); WindowsAPI.SelectObject(hdc, currentFontHandle); WindowsAPI.DeleteObject(fontHandle); graphics.ReleaseHdc(hdc); return new Size(rect.right - rect.left, rect.bottom - rect.top); }
public static Size GetTextSize(Graphics graphics, string text, Font font, ref Rectangle rc, DrawTextFormatFlags drawFlags) { IntPtr hdc = graphics.GetHdc(); IntPtr fontHandle = font.ToHfont(); IntPtr currentFontHandle = WindowsAPI.SelectObject(hdc, fontHandle); RECT rect = new RECT(); rect.left = rc.Left; rect.right = rc.Right; rect.top = rc.Top; rect.bottom = rc.Bottom; WindowsAPI.DrawText(hdc, text, text.Length, ref rect, (int) drawFlags); WindowsAPI.SelectObject(hdc, currentFontHandle); WindowsAPI.DeleteObject(fontHandle); graphics.ReleaseHdc(hdc); return new Size(rect.right - rect.left, rect.bottom - rect.top); }
public static extern int GetClientRect(IntPtr hWnd, ref RECT rc);
public static extern int FillRect(IntPtr hDC, ref RECT rect, IntPtr hBrush);
public static extern int DrawText(IntPtr hdc, string lpString, int nCount, ref RECT lpRect, int uFormat);
public static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref RECT lParam);
public static extern bool GetWindowRect(IntPtr hWnd, ref RECT rect);
public static extern bool GetMenuItemRect(IntPtr hWnd, IntPtr hMenu, uint Item, ref RECT rc);