How does the drawtext function in Win32 work?
Duplicates the text-displaying characteristics of a multiline edit control. Specifically, the average character width is calculated in the same manner as for an edit control, and the function does not display a partially visible last line.
How is the DT _ singleline value used in drawtext?
This value is used only with the DT_SINGLELINE value. Determines the width and height of the rectangle. If there are multiple lines of text, DrawText uses the width of the rectangle pointed to by the lpRect parameter and extends the base of the rectangle to bound the last line of text.
What does DT _ calcrect do in drawtext?
DT_CALCRECT. Determines the width and height of the rectangle. If there are multiple lines of text, DrawText uses the width of the rectangle pointed to by the lpRect parameter and extends the base of the rectangle to bound the last line of text.
What does the ncount parameter do in drawtext?
If nCount is -1, then the lpchText parameter is assumed to be a pointer to a null-terminated string and DrawText computes the character count automatically. A pointer to a RECT structure that contains the rectangle (in logical coordinates) in which the text is to be formatted. The method of formatting the text.
The DrawText function draws formatted text in the specified rectangle. It formats the text according to the specified method (expanding tabs, justifying characters, breaking lines, and so forth). To specify additional formatting options, use the DrawTextEx function. A handle to the device context.
When to use DT _ noclip or drawtext?
DrawText is somewhat faster when DT_NOCLIP is used. Prevents a line break at a DBCS (double-wide character string), so that the line breaking rule is equivalent to SBCS strings. For example, this can be used in Korean windows, for more readability of icon labels.
Can you use DT _ tabstop with DT _ calcrect?
The DT_CALCRECT, DT_EXTERNALLEADING, DT_INTERNAL, DT_NOCLIP, and DT_NOPREFIX values cannot be used with the DT_TABSTOP value. Justifies the text to the top of the rectangle. Centers text vertically. This value is used only with the DT_SINGLELINE value.