ArcGIS Engine Developer Guide

.NET APPLICATION PROGRAMMING INTERFACE
fnt.Size = 20.0
Dim textSym As ESRI.ArcGIS.Display.TextSymbol = New
ESRI.ArcGIS.Display.TextSymbolClass()
textSym.Font = fnt
Sometimes, however, you may have an existing .NET Font, Bitmap, or Icon class
that you wish to convert to use as a Font or Picture in an ESRI method. The
ESRI.ArcGIS.Utility.COMSupport namespace, which is part of the
ESRI.ArcGIS.Utility.dll assembly, provides the OLE class, which may help you to
perform such conversions.
Note that these members depend on the System.Windows.Forms.AxHost class
and as such are only suitable for use within a project that has a reference to the
System.Windows.Forms.dll assembly.
Below you can find the syntax information for the members of the
ESRI.ArcGIS.Utility.COMSupport.OLE class—these are static (shared in
VB.NET) members and, therefore, can be called without the need to instantiate
the OLE class.
GetIFontDispFromFont: This method can be used to convert an existing .NET
System.Drawing.Font object into an Stdole.StdFont object.
[C#]
public static object GetIFontDispFromFont (System.Drawing.Font font)
[Visual Basic .NET]
Public Shared GetIFontDispFromFont (ByVal font As System.Drawing.Font) As
Object
GetIPictureDispFromBitmap: This method can be used to convert an existing
.NET System.Drawing.Bitmap object into an Stdole.StdPicture object.
[C#]
public static object GetIPictureDispFromBitmap (System.Drawing.Bitmap bitmap)
[Visual Basic .NET]
Public Shared GetIPictureDispFromBitmap (ByVal bitmap As
System.Drawing.Bitmap) As Object
GetIPictureDispFromIcon: This method can be used to convert an existing
.NET System.Drawing.Icon object into an Stdole.StdPicture object.
[C#]
public static object GetIPictureDispFromIcon (System.Drawing.Icon icon)
[Visual Basic .NET]
Public Shared GetIPictureDispFromIcon (ByVal icon As System.Drawing.Icon)
As Object
Below are some examples of using the members of the OLE class.
[C#]
System.Drawing.Font dotNetFont = new System.Drawing.Font("Castellar", 25.0F);
ESRI.ArcGIS.Display.ITextSymbol textSym = new
ESRI.ArcGIS.Display.TextSymbolClass() as ESRI.ArcGIS.Display.ITextSymbol;
textSym.Font =
ESRI.ArcGIS.Utility.COMSupport.OLE.GetIFontDispFromFont(dotNetFont) as
stdole.IFontDisp;
Chapter 4 • Developer environments • 173