RichEditControl.MeasureSingleLineString(String, CharacterPropertiesBase) Method

Calculates the length of a formatted string.

Namespace: DevExpress.Xpf.RichEdit

Assembly: DevExpress.Xpf.RichEdit.v20.1.dll

Declaration

public SizeF MeasureSingleLineString(
    string text,
    CharacterPropertiesBase properties
)
Public Function MeasureSingleLineString(
    text As String,
    properties As CharacterPropertiesBase
) As SizeF

Parameters

Name Type Description
text String

A string to measure.

properties CharacterPropertiesBase

A CharacterPropertiesBase interface specifying the format used to display a string.

Returns

Type Description
SizeF

A SizeF object that is the rectangle required to display a string.

Remarks

The following code snippet illustrates the use of a MeasureSingleLineString method, to calculate required size of a tab stop. The tab stop position is specified by the TabInfo.Position property and measured in units of a current document (Document.Unit value). To provide uniform tab stops for a certain number of characters, a monospaced font is selected as the default document font.

Dim document As DevExpress.XtraRichEdit.API.Native.Document = richEditControl1.Document
Dim tabSize As SizeF = richEditControl1.MeasureSingleLineString(New String("w"c, 4), document.DefaultCharacterProperties)
Dim tabs As DevExpress.XtraRichEdit.API.Native.TabInfoCollection = document.Paragraphs(0).BeginUpdateTabs(True)
Try
    For i As Integer = 1 To 30
        Dim tab As New DevExpress.XtraRichEdit.API.Native.TabInfo()
        tab.Position = i * tabSize.Width
        tabs.Add(tab)
    Next i
Finally
    document.Paragraphs(0).EndUpdateTabs(tabs)
End Try
See Also