The easiest way to add Twitter and Facebook share buttons is to use the ShareLinkTask class. This class allows your Windows Phone application to launch a dialog that enables the user to share a link on the social networks (of their choice). All you need to do is to use the following code..

shareLinkTask.Title = “Article Title”;

shareLinkTask.LinkUri = new Uri(“http://www.microsoft.com“, UriKind.Absolute);

shareLinkTask.Message = “Some Message to be shared”;

shareLinkTask.Show();

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If you need to add multi-line text on a dialog box, here’s how to do it.

Using CCLabel

CCLabel* myLabel = [CCLabel labelWithString: @"A Text" fontName: @"Arial" fontSize: 16];

Another way using CCLabel

CCLabel* myLabel = [CCLabel labelWithString:@"A text"

dimensions: CGSizeMake(200, 300)

alignment:UITextAlignmentLeft

fontName:@"Arial"

fontSize:16];

Using CCBitmapFontAtlas

-(void) setTipString:(NSString*)str {

NSInteger lineChars = 0;

BOOL isSpace = NO;

NSInteger index = 0;

NSInteger numLines = 0;

NSInteger LINE_LENGTH = 30; // this is each line’s length, in characters

NSMutableString *line = [NSMutableString stringWithCapacity:LINE_LENGTH];

while (index <= [str length]) {

if(index == [str length]) {

CCBitmapFontAtlas *tip = [[CCBitmapFontAtlas bitmapFontAtlasWithString:[NSString stringWithString:line]

fntFile:@”text.fnt”] retain];

[tip setPosition: ccp(30,210 - 20 * numLines)];

[self addChild:tip];        

[tip release];

return;

}

NSString *tmp = [str substringWithRange:NSMakeRange(index, 1)];

[line appendString:tmp];

if([tmp isEqual:@" "])

isSpace = YES;

else

isSpace = NO;

if(lineChars >= LINE_LENGTH && isSpace) {

CCBitmapFontAtlas *tip = [[CCBitmapFontAtlas bitmapFontAtlasWithString:[NSString stringWithString:line]

fntFile:@”text.fnt”] retain];

[tip setPosition: ccp(30,210 - 20 * numLines)];

[self addChild:tip];        

[tip release];

lineChars = -1;

[line setString:@""];

numLines++;

}

lineChars++;

index++;

}

}